制动系统动能转化建模与ABS自寻最优控制  

Modeling of vehicle braking system based on kinetic energy conversion and self-optimizing control for ABS

作　　者：李文娟[1] 王旭东[1] 陈凤林[1] 

机构地区：[1]哈尔滨理工大学电气与电子工程学院,黑龙江哈尔滨150080

出　　处：《电机与控制学报》2011年第2期94-99,共6页Electric Machines and Control

基　　金：教育部科学技术研究重点项目(208180);黑龙江省2009研究生创新科研基金项目(YJSCX2009-033HLJ)

摘　　要：针对汽车制动系统,提出一种基于动能转化建立其模型的新方法,并与传统模型在有无防抱死制动系统(ABS)下进行比较;依据汽车的制动原理和自寻最优理论,设计能随路况的不同而自动搜寻最佳滑移率的ABS自寻最优控制策略,同时与逻辑门限值控制下的制动性能指标进行了对比分析。仿真结果表明,基于动能转化建立的制动模型与传统模型在有无ABS的制动过程中制动性能参数的变化趋势均是一致的;无论是在干混凝土路面还是在湿沥青路面下,采用ABS自寻最优控制获得的制动时间和制动距离都优于逻辑门限值控制;可以为汽车制动性能的研究提供有效的制动模型和ABS控制策略。A new method of building the braking model from kinetic energy conversion was proposed for the vehicle braking system.Comparisons were done between this model and the traditional model with or without anti-lock braking system（ABS）.A self-optimizing control strategy of ABS was designed according to the vehicle braking principle and self-optimizing theory.This control could search the optimal slip rate automatically with different road conditions.At the same time braking performance indices were analyzed under this control and the logic threshold value control.Simulation results show that variation trends in braking performance parameters on the proposed model are consistent with those of traditional model in the vehicle braking process with or without ABS.Whether the road is a dry concrete pavement or an asphalt pavement,the braking time and braking distance under self-optimizing control are better than those of the logic threshold value control.

关 键 词：制动系统建模 动能转化 防抱死制动系统 自寻最优 

分 类 号：U463.52[机械工程—车辆工程]